back up battery
短語(yǔ)詞組
- back -up p battery 備用電源
- A back -up battery 備用電池
- lithium back up battery 鋰廻電池;鋰電池備份
- battery back up 備用電池
- BATTERY BACK UP SIREN 自備電池警報(bào)器
- battery back -up 備用電池;電池供電
- NEODYMIUM BATTERY BACK UP SIREN 釹鉄硼自備電池警報(bào)器 返回 back up battery